凄すごむ

godan verb (-mu), intransitive verb

threaten; intimidate; glare menacingly

Often describes a fierce look, tone, or posture meant to cow someone, rather than a verbal threat.

• 彼かれは相あい手てをじっと凄すごんで黙だまらせた。

  He glared menacingly at the other person and silenced them.

• そんなに凄すごまないでください